I found myself collecting and feeding the duckweed to my worms. First, I made my own duckweed collector using a soda bottle with both ends cut off. I attached a sock to one end of the bottle, and elastic of the sock helped it stay attached to the bottle. When I passed the other (open) end of the bottle through the duckweed, the duckweed filled the bottom of the sock. When I collected a large amount of duckweed, I wrung the water out of the sock, then placed the duckweed into a dish. After ensuring that all bugs and snails and other undesirable objects were removed from the duckweed, I added the duckweed to my worm bins.
Success – the worms liked the duckweed. Now I regularly collect duckweed and help my husband keep his tank ecosystems clean. Sometimes I mix the duckweed along with peas and other greens, then put this mixture through my food processor. I call this dish, “whirled peas.”
Caution: Don’t collect wild duckweed – you may introduce unwanted bugs into your worm bin.
Red Wiggler Worms With Whirled Peas